702560 Spectrum Digital Inc, 702560 Datasheet - Page 24
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702560
Manufacturer Part Number
702560
Description
XDS560R USB JTAG Emulator With 20 Pin CTI JTAG Header
Manufacturer
Spectrum Digital Inc
Type
USB JTAG Emulatorr
Specifications of 702560
Contents
Board, Cable
Ic Product Type
USB JTAG Emulator
Kit Contents
XDS560R USB JTAG Emulator With CTI JTAG Header, CDROM With Drivers, USB Cable
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
TI DSPs and JTAG Microcontrollers
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Spectrum Digital, Inc
3-6
To support selection of the proper I/O voltage, the target header has a Target Voltage
Detect (TVD) signal. This signal (pin 5) should be tied to the I/O voltage of the target
processor.
If the target system needs to supports multiple I/O voltages on the scan string, the
lowest voltage devices should be placed first.
A translation buffer should be used to connect the rest of the scan string. TCK, TMS,
and TRST must have similar considerations.
Two copies of each signal may be required with each driving a different voltage level.
Comparator
Op-Amp
Translator
Level
Out
Out
Out
Out
Out
Out
In4
In1
In2
In3
In
In
27Ω
27Ω
27Ω
27Ω
27Ω
27Ω
Figure 3-3, Emulator Pod Interface
.01 uF
100
KΩ
100
KΩ
100
KΩ
XDS560R JTAG Emulator Installation Guide
100
KΩ
10 KΩ
EMU0 13
100Ω
100
KΩ
100 KΩ
TCK 11
TCKR 9
TMS 1
TDO 7
TVD 5
TDI 3
100 pF
TVD Voltage
.01 uF
Emulation
Header
TVD Voltage /2
4 TDIS
6 GND
8 GND
10 GND
12 GND
14 EMU1
2 TRST
100 KΩ
10 KΩ
VCC